CVE-2026-8187

Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption

State: Published
Severity: 6.9 Medium
Published: May 9, 2026
Updated: May 11, 2026
Reserved: May 8, 2026

Description

A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:UR	VulDB

Weaknesses

CWE-400 Resource Consumption
CWE-404 Denial of Service

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Affected 2.7.3Affected 2.7.4Affected 2.7.5Affected 2.7.6Affected 2.7.7Affected

References

VDB-362339 | Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumptionvdb-entrytechnical-description
VDB-362339 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #800025 | Open5GS 2.7.7 Denial of Service (DoS) (CWE-400)third-party-advisory
https://github.com/open5gs/open5gs/issues/4492issue-tracking
https://github.com/open5gs/open5gs/product

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.